May 1985 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

24 sky events total, including 4 moon phases and 2 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

May 1985 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Taurus
Angular diameter: 6.4"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 02h00m44s
เดคลิเนชัน: +09°23'23"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Aries
Angular diameter: 35.1"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Right ascension: 00h47m02s
เดคลิเนชัน: +04°43'50"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Gemini
Angular diameter: 3.8"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 04h45m10s
เดคลิเนชัน: +23°00'27"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Aquarius
Angular diameter: 40.5"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Right ascension: 21h15m39s
เดคลิเนชัน: -16°30'14"

Saturn

Excellent
Apparent magnitude: 0.0
กลุ่มดาว: Scorpius
Angular diameter: 18.6"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 15h32m31s
เดคลิเนชัน: -16°41'45"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Sagittarius
Angular diameter: 3.9"
Status: near eastern quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Right ascension: 17h03m01s
เดคลิเนชัน: -22°49'18"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Right ascension: 18h13m52s
เดคลิเนชัน: -22°14'39"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 11509.7"
Status: Moon illumination 20.3%

Observation tip: Moon illumination 20.3%; good for observing lunar surface detail

Right ascension: 00h09m04s
เดคลิเนชัน: -03°16'13"